Finding the Fourth Proportional to 762,234.24, 1,143,399.12 and 256,753.68
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Solution
The fourth proportional to 762,234.24, 1,143,399.12 and 256,753.68 is: 385,146.61
Step by Step Solution
- Step 1: Write the proportion equation
762,234.24 : 1,143,399.12 = 256,753.68 : x - Step 2: Convert to fraction form
762,234.24/1,143,399.12 = 256,753.68/x - Step 3: Cross multiply
762,234.24x = 1,143,399.12 × 256,753.68 - Step 4: Simplify right side
762,234.24x = 293,571,931,768.76 - Step 5: Solve for x
x = 293,571,931,768.76/762,234.24 - Step 6: Final answer
x = 385,146.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.